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Finding the Fourth Proportional to 373,471.60, 560,207.40 and 307,861.60

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Solution

The fourth proportional to 373,471.60, 560,207.40 and 307,861.60 is: 461,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,471.60 : 560,207.40 = 307,861.60 : x
  2. Step 2: Convert to fraction form
    373,471.60/560,207.40 = 307,861.60/x
  3. Step 3: Cross multiply
    373,471.60x = 560,207.40 × 307,861.60
  4. Step 4: Simplify right side
    373,471.60x = 172,466,346,495.84
  5. Step 5: Solve for x
    x = 172,466,346,495.84/373,471.60
  6. Step 6: Final answer
    x = 461,792.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.